/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.camel.component.linkedin.api;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import javax.annotation.Priority;
import javax.ws.rs.Priorities;
import javax.ws.rs.client.ClientRequestContext;
import javax.ws.rs.client.ClientResponseContext;
import javax.ws.rs.client.ClientResponseFilter;
import javax.ws.rs.core.Response;
import javax.ws.rs.ext.Provider;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import org.apache.camel.component.linkedin.api.model.Error;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Response filter for throwing {@link LinkedInException}
* when response contains {@link org.apache.camel.component.linkedin.api.model.Error}
*/
@Provider
@Priority(Priorities.USER)
public class LinkedInExceptionResponseFilter implements ClientResponseFilter {
private static final Logger LOG = LoggerFactory.getLogger(LinkedInExceptionResponseFilter.class);
private final JAXBContext jaxbContext;
public LinkedInExceptionResponseFilter() {
try {
jaxbContext = JAXBContext.newInstance(Error.class.getPackage().getName());
} catch (JAXBException e) {
throw new IllegalArgumentException("Error initializing JAXB: " + e.getMessage(), e);
}
}
@Override
public void filter(ClientRequestContext requestContext, ClientResponseContext responseContext) throws IOException {
if (responseContext.getStatus() != Response.Status.OK.getStatusCode() && responseContext.hasEntity()) {
try {
final Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
final Error error = (Error) unmarshaller.unmarshal(responseContext.getEntityStream());
final Response.ResponseBuilder builder = Response.status(responseContext.getStatusInfo());
builder.entity(error);
// copy response headers
for (Map.Entry<String, List<String>> header : responseContext.getHeaders().entrySet()) {
builder.header(header.getKey(), header.getValue());
}
throw new LinkedInException(error, builder.build());
} catch (JAXBException e) {
// log and ignore
LOG.warn("Unable to parse LinkedIn error: " + e.getMessage(), e);
}
}
}
}